The U.N. weather agency said Thursday that 2023 is all but certain to be the hottest year on record, and warning of worrying trends that suggest increasing floods, wildfires, glacier melt, and heat waves in the future.
The WMO secretary-general said the onset earlier this year of El Nino, the weather phenomenon marked by heating in the Pacific Ocean, could tip the average temperature next year over the 1.5-degree target cap set in Paris.
"Clarity on breaching the Paris agreement guard rails will be crucial," said Richard Betts of Britain's Met Office, the lead author of a new paper on the issue with University of Exeter, published in the journal Nature.
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